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428860959 = 3971473749
BaseRepresentation
bin11001100011111…
…110011000011111
31002212222101122020
4121203332120133
51334242022314
6110315551223
713425154332
oct3143763037
91085871566
10428860959
1120009864a
12bb75b513
136ab07ca7
1440d58619
15279b4da9
hex198fe61f

428860959 has 8 divisors (see below), whose sum is σ = 577710000. Its totient is φ = 282959616.

The previous prime is 428860933. The next prime is 428861021. The reversal of 428860959 is 959068824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428860959 - 28 = 428860703 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428860459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736584 + ... + 737165.

It is an arithmetic number, because the mean of its divisors is an integer number (72213750).

Almost surely, 2428860959 is an apocalyptic number.

428860959 is a deficient number, since it is larger than the sum of its proper divisors (148849041).

428860959 is a wasteful number, since it uses less digits than its factorization.

428860959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473849.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 428860959 is about 20708.9584238319. The cubic root of 428860959 is about 754.1171845859.

The spelling of 428860959 in words is "four hundred twenty-eight million, eight hundred sixty thousand, nine hundred fifty-nine".

Divisors: 1 3 97 291 1473749 4421247 142953653 428860959